Granted Patent
Utility
US 6,577,928 · App. 09/848,391
Multimedia information and control system for automobiles
Inventor:
Michael L. Obradovich
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: May 3, 2001
Inventor
Michael L. Obradovich
Assignee (at issue)
American Calcar, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.